Stop rsync from choking when it hits files currently being modified
Backup & Recovery (Rsync/Tar/Dd) Stop rsync from choking when it hits files currently being modified 🧩 The Challenge You ever try to rsync a live database or a logging directory...
Category: Linux/Unix
In this category, you can see all articles related to Unix or Linux operating System.
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Stop letting Btrfs reclaim your free space in the background
Filesystem & Storage (ZFS/Btrfs/LVM) Stop letting Btrfs reclaim your free space in the background Technical Briefing | 7/17/2026 I watched a production box crawl to a halt last week during...
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Extract specific JSON fields without installing bulky parsers
Text Processing (Grep/Sed/Awk) Extract specific JSON fields without installing bulky parsers 🧩 The Challenge Dealing with JSON API responses on a minimal server where you can’t install jq is a...
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Stop getting lied to by df and du
Disk & Filesystem Management (Du/Df/Lsblk/Fstrim) Stop getting lied to by df and du 🧩 The Challenge You ever deleted a massive log file to clear up space, only for your...
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Stop systemd from mangling your service environment variables
Systemd & Service Management Stop systemd from mangling your service environment variables Technical Briefing | 7/17/2026 We have all been there. You set an environment variable in your shell profile,...
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Stop letting your background jobs dump text all over your terminal
Shell Scripting / Bash Tricks Stop letting your background jobs dump text all over your terminal 🧩 The Challenge You finally kicked off that massive log rotation or backup script...
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Stop LVM snapshots from turning your disk space into a trap
Filesystem & Storage (ZFS/Btrfs/LVM) Stop LVM snapshots from turning your disk space into a trap Technical Briefing | 7/17/2026 You probably created an LVM snapshot to back up a database...
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Stop fighting directory bit rot with chmod’s X flag
Permissions & Security (Chmod/Chown/ACLs/SELinux/AppArmor) Stop fighting directory bit rot with chmod’s X flag 🧩 The Challenge You know that feeling when you try to fix permissions on a massive nested...
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Stop your shell history from leaking sensitive credentials
Environment & Shell Customization (Aliases/Functions/.Bashrc) Stop your shell history from leaking sensitive credentials 🧩 The Challenge You finally realize that one time you exported your database password in plain text,...
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Stop your package manager from stalling on interactive config prompts
Package Management (Apt/Dnf/Pacman Internals) Stop your package manager from stalling on interactive config prompts 🧩 The Challenge Every time I run a massive unattended upgrade, some random package decides it’s...